#pragma once


#include <iostream>
#include <list>
#include <string>
#include <stack>
#include <map>
#include <set>
using namespace std;

namespace w
{
	typedef struct Stack
	{
		int* arr;
		int top;
		int capacity;
	}Stack;

	void StackInit(Stack* ps, int n = 4);

	void StackPush(Stack* ps, int x);

	void StackPrint(Stack* ps);

}